418 lines
16 KiB
JavaScript
418 lines
16 KiB
JavaScript
var testRanCounter = 0;
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var expectedTestCount = 0;
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var testSetupFinished = false;
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function ok(a, msg) {
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postMessage({type: 'check', status: !!a, msg: msg });
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}
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function is(a, b, msg) {
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ok(a === b, msg);
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}
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function finish() {
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postMessage({type: 'finish'});
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}
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function convertToUTF16(s) {
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res = "";
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for (var i = 0; i < s.length; ++i) {
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c = s.charCodeAt(i);
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res += String.fromCharCode(c & 255, c >>> 8);
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}
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return res;
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}
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function convertToUTF8(s) {
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return unescape(encodeURIComponent(s));
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}
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function convertToDataURL(s) {
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return "data:application/octet-stream;base64," + btoa(s);
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}
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onmessage = function(message) {
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is(FileReader.EMPTY, 0, "correct EMPTY value");
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is(FileReader.LOADING, 1, "correct LOADING value");
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is(FileReader.DONE, 2, "correct DONE value");
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// List of blobs.
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var asciiFile = message.data.blobs.shift();
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var binaryFile = message.data.blobs.shift();
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var nonExistingFile = message.data.blobs.shift();
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var utf8TextFile = message.data.blobs.shift();
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var utf16TextFile = message.data.blobs.shift();
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var emptyFile = message.data.blobs.shift();
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var dataUrlFile0 = message.data.blobs.shift();
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var dataUrlFile1 = message.data.blobs.shift();
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var dataUrlFile2 = message.data.blobs.shift();
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// List of buffers for testing.
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var testTextData = message.data.testTextData;
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var testASCIIData = message.data.testASCIIData;
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var testBinaryData = message.data.testBinaryData;
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var dataurldata0 = message.data.dataurldata0;
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var dataurldata1 = message.data.dataurldata1;
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var dataurldata2 = message.data.dataurldata2;
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// Test that plain reading works and fires events as expected, both
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// for text and binary reading
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var onloadHasRunText = false;
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var onloadStartHasRunText = false;
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r = new FileReader();
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is(r.readyState, FileReader.EMPTY, "correct initial text readyState");
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r.onload = getLoadHandler(testASCIIData, testASCIIData.length, "plain reading");
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r.addEventListener("load", function() { onloadHasRunText = true }, false);
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r.addEventListener("loadstart", function() { onloadStartHasRunText = true }, false);
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r.readAsText(asciiFile);
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is(r.readyState, FileReader.LOADING, "correct loading text readyState");
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is(onloadHasRunText, false, "text loading must be async");
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is(onloadStartHasRunText, true, "text loadstart should fire sync");
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expectedTestCount++;
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var onloadHasRunBinary = false;
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var onloadStartHasRunBinary = false;
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r = new FileReader();
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is(r.readyState, FileReader.EMPTY, "correct initial binary readyState");
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r.addEventListener("load", function() { onloadHasRunBinary = true }, false);
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r.addEventListener("loadstart", function() { onloadStartHasRunBinary = true }, false);
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r.readAsBinaryString(binaryFile);
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r.onload = getLoadHandler(testBinaryData, testBinaryData.length, "binary reading");
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is(r.readyState, FileReader.LOADING, "correct loading binary readyState");
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is(onloadHasRunBinary, false, "binary loading must be async");
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is(onloadStartHasRunBinary, true, "binary loadstart should fire sync");
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expectedTestCount++;
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var onloadHasRunArrayBuffer = false;
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var onloadStartHasRunArrayBuffer = false;
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r = new FileReader();
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is(r.readyState, FileReader.EMPTY, "correct initial arrayBuffer readyState");
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r.addEventListener("load", function() { onloadHasRunArrayBuffer = true }, false);
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r.addEventListener("loadstart", function() { onloadStartHasRunArrayBuffer = true }, false);
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r.readAsArrayBuffer(binaryFile);
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r.onload = getLoadHandlerForArrayBuffer(testBinaryData, testBinaryData.length, "array buffer reading");
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is(r.readyState, FileReader.LOADING, "correct loading arrayBuffer readyState");
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is(onloadHasRunArrayBuffer, false, "arrayBuffer loading must be async");
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is(onloadStartHasRunArrayBuffer, true, "arrayBuffer loadstart should fire sync");
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expectedTestCount++;
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// Test a variety of encodings, and make sure they work properly
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r = new FileReader();
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r.onload = getLoadHandler(testASCIIData, testASCIIData.length, "no encoding reading");
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r.readAsText(asciiFile, "");
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expectedTestCount++;
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r = new FileReader();
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r.onload = getLoadHandler(testASCIIData, testASCIIData.length, "iso8859 reading");
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r.readAsText(asciiFile, "iso-8859-1");
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expectedTestCount++;
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r = new FileReader();
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r.onload = getLoadHandler(testTextData,
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convertToUTF8(testTextData).length,
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"utf8 reading");
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r.readAsText(utf8TextFile, "utf8");
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expectedTestCount++;
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r = new FileReader();
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r.readAsText(utf16TextFile, "utf-16");
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r.onload = getLoadHandler(testTextData,
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convertToUTF16(testTextData).length,
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"utf16 reading");
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expectedTestCount++;
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// Test get result without reading
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r = new FileReader();
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is(r.readyState, FileReader.EMPTY,
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"readyState in test reader get result without reading");
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is(r.error, null,
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"no error in test reader get result without reading");
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is(r.result, null,
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"result in test reader get result without reading");
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// Test loading an empty file works (and doesn't crash!)
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r = new FileReader();
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r.onload = getLoadHandler("", 0, "empty no encoding reading");
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r.readAsText(emptyFile, "");
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expectedTestCount++;
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r = new FileReader();
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r.onload = getLoadHandler("", 0, "empty utf8 reading");
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r.readAsText(emptyFile, "utf8");
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expectedTestCount++;
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r = new FileReader();
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r.onload = getLoadHandler("", 0, "empty utf16 reading");
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r.readAsText(emptyFile, "utf-16");
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expectedTestCount++;
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r = new FileReader();
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r.onload = getLoadHandler("", 0, "empty binary string reading");
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r.readAsBinaryString(emptyFile);
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expectedTestCount++;
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r = new FileReader();
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r.onload = getLoadHandlerForArrayBuffer("", 0, "empty array buffer reading");
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r.readAsArrayBuffer(emptyFile);
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expectedTestCount++;
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r = new FileReader();
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r.onload = getLoadHandler(convertToDataURL(""), 0, "empt binary string reading");
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r.readAsDataURL(emptyFile);
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expectedTestCount++;
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// Test reusing a FileReader to read multiple times
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r = new FileReader();
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r.onload = getLoadHandler(testASCIIData,
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testASCIIData.length,
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"to-be-reused reading text")
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var makeAnotherReadListener = function(event) {
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r = event.target;
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r.removeEventListener("load", makeAnotherReadListener, false);
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r.onload = getLoadHandler(testASCIIData,
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testASCIIData.length,
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"reused reading text");
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r.readAsText(asciiFile);
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};
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r.addEventListener("load", makeAnotherReadListener, false);
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r.readAsText(asciiFile);
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expectedTestCount += 2;
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r = new FileReader();
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r.onload = getLoadHandler(testBinaryData,
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testBinaryData.length,
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"to-be-reused reading binary")
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var makeAnotherReadListener2 = function(event) {
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r = event.target;
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r.removeEventListener("load", makeAnotherReadListener2, false);
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r.onload = getLoadHandler(testBinaryData,
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testBinaryData.length,
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"reused reading binary");
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r.readAsBinaryString(binaryFile);
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};
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r.addEventListener("load", makeAnotherReadListener2, false);
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r.readAsBinaryString(binaryFile);
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expectedTestCount += 2;
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r = new FileReader();
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r.onload = getLoadHandler(convertToDataURL(testBinaryData),
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testBinaryData.length,
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"to-be-reused reading data url")
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var makeAnotherReadListener3 = function(event) {
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r = event.target;
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r.removeEventListener("load", makeAnotherReadListener3, false);
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r.onload = getLoadHandler(convertToDataURL(testBinaryData),
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testBinaryData.length,
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"reused reading data url");
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r.readAsDataURL(binaryFile);
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};
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r.addEventListener("load", makeAnotherReadListener3, false);
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r.readAsDataURL(binaryFile);
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expectedTestCount += 2;
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r = new FileReader();
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r.onload = getLoadHandlerForArrayBuffer(testBinaryData,
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testBinaryData.length,
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"to-be-reused reading arrayBuffer")
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var makeAnotherReadListener4 = function(event) {
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r = event.target;
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r.removeEventListener("load", makeAnotherReadListener4, false);
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r.onload = getLoadHandlerForArrayBuffer(testBinaryData,
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testBinaryData.length,
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"reused reading arrayBuffer");
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r.readAsArrayBuffer(binaryFile);
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};
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r.addEventListener("load", makeAnotherReadListener4, false);
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r.readAsArrayBuffer(binaryFile);
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expectedTestCount += 2;
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// Test first reading as ArrayBuffer then read as something else
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// (BinaryString) and doesn't crash
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r = new FileReader();
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r.onload = getLoadHandlerForArrayBuffer(testBinaryData,
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testBinaryData.length,
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"to-be-reused reading arrayBuffer")
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var makeAnotherReadListener5 = function(event) {
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r = event.target;
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r.removeEventListener("load", makeAnotherReadListener5, false);
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r.onload = getLoadHandler(testBinaryData,
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testBinaryData.length,
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"reused reading binary string");
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r.readAsBinaryString(binaryFile);
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};
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r.addEventListener("load", makeAnotherReadListener5, false);
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r.readAsArrayBuffer(binaryFile);
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expectedTestCount += 2;
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//Test data-URI encoding on differing file sizes
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is(dataurldata0.length % 3, 0, "Want to test data with length % 3 == 0");
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r = new FileReader();
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r.onload = getLoadHandler(convertToDataURL(dataurldata0),
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dataurldata0.length,
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"dataurl reading, %3 = 0");
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r.readAsDataURL(dataUrlFile0);
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expectedTestCount++;
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is(dataurldata1.length % 3, 1, "Want to test data with length % 3 == 1");
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r = new FileReader();
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r.onload = getLoadHandler(convertToDataURL(dataurldata1),
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dataurldata1.length,
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"dataurl reading, %3 = 1");
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r.readAsDataURL(dataUrlFile1);
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expectedTestCount++;
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is(dataurldata2.length % 3, 2, "Want to test data with length % 3 == 2");
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r = new FileReader();
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r.onload = getLoadHandler(convertToDataURL(dataurldata2),
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dataurldata2.length,
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"dataurl reading, %3 = 2");
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r.readAsDataURL(dataUrlFile2),
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expectedTestCount++;
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// Test abort()
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var abortHasRun = false;
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var loadEndHasRun = false;
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r = new FileReader();
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r.onabort = function (event) {
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is(abortHasRun, false, "abort should only fire once");
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is(loadEndHasRun, false, "loadend shouldn't have fired yet");
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abortHasRun = true;
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is(event.target.readyState, FileReader.DONE, "should be DONE while firing onabort");
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is(event.target.error.name, "AbortError", "error set to AbortError for aborted reads");
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is(event.target.result, null, "file data should be null on aborted reads");
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}
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r.onloadend = function (event) {
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is(abortHasRun, true, "abort should fire before loadend");
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is(loadEndHasRun, false, "loadend should only fire once");
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loadEndHasRun = true;
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is(event.target.readyState, FileReader.DONE, "should be DONE while firing onabort");
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is(event.target.error.name, "AbortError", "error set to AbortError for aborted reads");
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is(event.target.result, null, "file data should be null on aborted reads");
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}
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r.onload = function() { ok(false, "load should not fire for aborted reads") };
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r.onerror = function() { ok(false, "error should not fire for aborted reads") };
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r.onprogress = function() { ok(false, "progress should not fire for aborted reads") };
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var abortThrew = false;
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try {
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r.abort();
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} catch(e) {
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abortThrew = true;
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}
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is(abortThrew, true, "abort() must throw if not loading");
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is(abortHasRun, false, "abort() is a no-op unless loading");
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r.readAsText(asciiFile);
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r.abort();
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is(abortHasRun, true, "abort should fire sync");
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is(loadEndHasRun, true, "loadend should fire sync");
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// Test calling readAsX to cause abort()
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var reuseAbortHasRun = false;
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r = new FileReader();
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r.onabort = function (event) {
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is(reuseAbortHasRun, false, "abort should only fire once");
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reuseAbortHasRun = true;
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is(event.target.readyState, FileReader.DONE, "should be DONE while firing onabort");
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is(event.target.error.name, "AbortError", "error set to AbortError for aborted reads");
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is(event.target.result, null, "file data should be null on aborted reads");
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}
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r.onload = function() { ok(false, "load should not fire for aborted reads") };
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var abortThrew = false;
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try {
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r.abort();
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} catch(e) {
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abortThrew = true;
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}
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is(abortThrew, true, "abort() must throw if not loading");
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is(reuseAbortHasRun, false, "abort() is a no-op unless loading");
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r.readAsText(asciiFile);
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r.readAsText(asciiFile);
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is(reuseAbortHasRun, true, "abort should fire sync");
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r.onload = getLoadHandler(testASCIIData, testASCIIData.length, "reuse-as-abort reading");
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expectedTestCount++;
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// Test reading from nonexistent files
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r = new FileReader();
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var didThrow = false;
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r.onerror = function (event) {
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is(event.target.readyState, FileReader.DONE, "should be DONE while firing onerror");
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is(event.target.error.name, "NotFoundError", "error set to NotFoundError for nonexistent files");
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is(event.target.result, null, "file data should be null on aborted reads");
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testHasRun();
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};
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r.onload = function (event) {
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is(false, "nonexistent file shouldn't load! (FIXME: bug 1122788)");
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testHasRun();
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};
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try {
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r.readAsDataURL(nonExistingFile);
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expectedTestCount++;
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} catch(ex) {
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didThrow = true;
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}
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// Once this test passes, we should test that onerror gets called and
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// that the FileReader object is in the right state during that call.
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is(didThrow, false, "shouldn't throw when opening nonexistent file, should fire error instead");
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function getLoadHandler(expectedResult, expectedLength, testName) {
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return function (event) {
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is(event.target.readyState, FileReader.DONE,
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"readyState in test " + testName);
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is(event.target.error, null,
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"no error in test " + testName);
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is(event.target.result, expectedResult,
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"result in test " + testName);
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is(event.lengthComputable, true,
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"lengthComputable in test " + testName);
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is(event.loaded, expectedLength,
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"loaded in test " + testName);
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is(event.total, expectedLength,
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"total in test " + testName);
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testHasRun();
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}
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}
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function getLoadHandlerForArrayBuffer(expectedResult, expectedLength, testName) {
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return function (event) {
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is(event.target.readyState, FileReader.DONE,
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"readyState in test " + testName);
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is(event.target.error, null,
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"no error in test " + testName);
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is(event.lengthComputable, true,
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"lengthComputable in test " + testName);
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is(event.loaded, expectedLength,
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"loaded in test " + testName);
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is(event.total, expectedLength,
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"total in test " + testName);
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is(event.target.result.byteLength, expectedLength,
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"array buffer size in test " + testName);
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var u8v = new Uint8Array(event.target.result);
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is(String.fromCharCode.apply(String, u8v), expectedResult,
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"array buffer contents in test " + testName);
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u8v = null;
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is(event.target.result.byteLength, expectedLength,
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"array buffer size after gc in test " + testName);
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u8v = new Uint8Array(event.target.result);
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is(String.fromCharCode.apply(String, u8v), expectedResult,
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"array buffer contents after gc in test " + testName);
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testHasRun();
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}
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}
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function testHasRun() {
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//alert(testRanCounter);
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++testRanCounter;
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if (testRanCounter == expectedTestCount) {
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is(testSetupFinished, true, "test setup should have finished; check for exceptions");
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is(onloadHasRunText, true, "onload text should have fired by now");
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is(onloadHasRunBinary, true, "onload binary should have fired by now");
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finish();
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}
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}
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testSetupFinished = true;
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}
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